/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:18:00,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:18:01,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:18:01,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:18:01,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:18:01,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:18:01,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:18:01,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:18:01,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:18:01,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:18:01,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:18:01,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:18:01,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:18:01,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:18:01,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:18:01,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:18:01,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:18:01,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:18:01,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:18:01,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:18:01,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:18:01,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:18:01,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:18:01,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:18:01,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:18:01,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:18:01,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:18:01,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:18:01,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:18:01,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:18:01,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:18:01,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:18:01,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:18:01,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:18:01,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:18:01,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:18:01,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:18:01,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:18:01,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:18:01,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:18:01,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:18:01,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:18:01,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:18:01,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:18:01,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:18:01,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:18:01,152 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:18:01,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:18:01,152 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:18:01,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:18:01,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:18:01,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:18:01,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:18:01,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:18:01,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:18:01,154 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:18:01,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:18:01,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:18:01,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:18:01,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:18:01,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:18:01,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:18:01,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:18:01,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:18:01,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:18:01,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:18:01,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:18:01,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:18:01,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:18:01,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:18:01,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:18:01,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:18:01,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:18:01,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:18:01,643 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:18:01,645 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:18:01,645 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:18:01,646 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-09-25 13:18:01,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/adde603cf/3c283ad7780749e0b1feeeceb54eef4c/FLAG790a2e1d0 [2020-09-25 13:18:02,302 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:18:02,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-09-25 13:18:02,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/adde603cf/3c283ad7780749e0b1feeeceb54eef4c/FLAG790a2e1d0 [2020-09-25 13:18:02,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/adde603cf/3c283ad7780749e0b1feeeceb54eef4c [2020-09-25 13:18:02,606 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:18:02,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:18:02,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:18:02,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:18:02,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:18:02,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:18:02" (1/1) ... [2020-09-25 13:18:02,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:02, skipping insertion in model container [2020-09-25 13:18:02,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:18:02" (1/1) ... [2020-09-25 13:18:02,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:18:02,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:18:03,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:18:03,068 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:18:03,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:18:03,332 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:18:03,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03 WrapperNode [2020-09-25 13:18:03,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:18:03,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:18:03,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:18:03,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:18:03,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03" (1/1) ... [2020-09-25 13:18:03,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03" (1/1) ... [2020-09-25 13:18:03,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03" (1/1) ... [2020-09-25 13:18:03,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03" (1/1) ... [2020-09-25 13:18:03,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03" (1/1) ... [2020-09-25 13:18:03,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03" (1/1) ... [2020-09-25 13:18:03,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03" (1/1) ... [2020-09-25 13:18:03,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:18:03,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:18:03,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:18:03,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:18:03,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:18:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:18:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:18:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:18:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:18:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:18:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:18:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:18:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:18:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:18:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:18:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:18:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:18:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:18:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:18:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:18:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:18:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:18:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:18:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:18:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:18:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:18:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:18:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:18:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:18:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:18:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:18:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:18:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:18:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:18:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:18:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:18:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:18:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:18:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:18:04,736 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:18:04,736 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:18:04,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:18:04 BoogieIcfgContainer [2020-09-25 13:18:04,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:18:04,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:18:04,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:18:04,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:18:04,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:18:02" (1/3) ... [2020-09-25 13:18:04,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfa0c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:18:04, skipping insertion in model container [2020-09-25 13:18:04,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:03" (2/3) ... [2020-09-25 13:18:04,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bfa0c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:18:04, skipping insertion in model container [2020-09-25 13:18:04,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:18:04" (3/3) ... [2020-09-25 13:18:04,753 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-09-25 13:18:04,765 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:18:04,776 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:18:04,796 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:18:04,824 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:18:04,824 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:18:04,824 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:18:04,825 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:18:04,825 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:18:04,825 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:18:04,825 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:18:04,825 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:18:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-09-25 13:18:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 13:18:04,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:04,874 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:04,875 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:04,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:04,881 INFO L82 PathProgramCache]: Analyzing trace with hash 938593778, now seen corresponding path program 1 times [2020-09-25 13:18:04,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:04,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805176987] [2020-09-25 13:18:04,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:05,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:05,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:07,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:09,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:10,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:10,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 13:18:10,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:18:10,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 13:18:10,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:10,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:18:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:18:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 13:18:10,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:18:10,674 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:10,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:10,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:10,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:10,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:10,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-25 13:18:10,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:10,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:10,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:18:10,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:11,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:11,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:11,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:11,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:11,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:11,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:11,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:11,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:11,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:11,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:11,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:11,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:11,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:11,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:11,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:11,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:18:11,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:11,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:11,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:11,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:11,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:11,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:11,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:11,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:11,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:11,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:11,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:11,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:11,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:11,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:11,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:11,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:11,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:18:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:11,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:11,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:11,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:11,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:11,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:11,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:11,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:11,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:11,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:11,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 13:18:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:11,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:11,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:11,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:11,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:11,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:11,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:11,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 13:18:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:11,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:11,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:11,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:11,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:11,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:11,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:11,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:11,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805176987] [2020-09-25 13:18:11,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:11,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:18:11,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473993870] [2020-09-25 13:18:11,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:18:11,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:11,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:18:11,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:18:11,248 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 6 states. [2020-09-25 13:18:11,765 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:12,809 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:14,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:14,414 INFO L93 Difference]: Finished difference Result 798 states and 961 transitions. [2020-09-25 13:18:14,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 13:18:14,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 13:18:14,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:14,441 INFO L225 Difference]: With dead ends: 798 [2020-09-25 13:18:14,441 INFO L226 Difference]: Without dead ends: 585 [2020-09-25 13:18:14,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:18:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-09-25 13:18:14,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 515. [2020-09-25 13:18:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2020-09-25 13:18:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 586 transitions. [2020-09-25 13:18:14,615 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 586 transitions. Word has length 160 [2020-09-25 13:18:14,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:14,616 INFO L479 AbstractCegarLoop]: Abstraction has 515 states and 586 transitions. [2020-09-25 13:18:14,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:18:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 586 transitions. [2020-09-25 13:18:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 13:18:14,623 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:14,624 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:14,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:18:14,624 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:14,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:14,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1584425820, now seen corresponding path program 1 times [2020-09-25 13:18:14,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:14,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [689167718] [2020-09-25 13:18:14,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:14,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:15,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:16,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:16,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:17,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:19,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:19,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:19,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 13:18:19,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:18:19,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 13:18:19,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:19,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:19,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 13:18:19,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:18:19,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-25 13:18:19,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,033 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:20,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:20,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-25 13:18:20,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:18:20,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:20,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:20,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:20,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:20,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:20,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:20,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:20,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:20,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:20,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:18:20,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:20,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:20,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:20,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:20,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:20,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:20,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:20,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:20,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:20,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:18:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:20,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:20,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:20,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:20,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:18:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:18:20,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:18:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 13:18:20,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:20,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:18:20,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:18:20,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:18:20,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:20,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:18:20,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:20,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:20,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:20,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:20,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 13:18:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:20,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:20,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:20,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:20,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 13:18:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:20,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:20,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:20,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:20,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:20,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:20,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:20,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:20,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:20,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:20,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [689167718] [2020-09-25 13:18:20,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:20,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:18:20,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532385315] [2020-09-25 13:18:20,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:18:20,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:20,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:18:20,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:18:20,563 INFO L87 Difference]: Start difference. First operand 515 states and 586 transitions. Second operand 7 states. [2020-09-25 13:18:21,137 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:23,030 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:24,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:24,085 INFO L93 Difference]: Finished difference Result 1351 states and 1683 transitions. [2020-09-25 13:18:24,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 13:18:24,086 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-09-25 13:18:24,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:24,096 INFO L225 Difference]: With dead ends: 1351 [2020-09-25 13:18:24,096 INFO L226 Difference]: Without dead ends: 951 [2020-09-25 13:18:24,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 13:18:24,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2020-09-25 13:18:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 787. [2020-09-25 13:18:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-09-25 13:18:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 911 transitions. [2020-09-25 13:18:24,286 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 911 transitions. Word has length 183 [2020-09-25 13:18:24,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:24,288 INFO L479 AbstractCegarLoop]: Abstraction has 787 states and 911 transitions. [2020-09-25 13:18:24,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:18:24,288 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 911 transitions. [2020-09-25 13:18:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 13:18:24,292 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:24,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:24,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:18:24,292 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:24,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:24,293 INFO L82 PathProgramCache]: Analyzing trace with hash -271509022, now seen corresponding path program 1 times [2020-09-25 13:18:24,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:24,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899631589] [2020-09-25 13:18:24,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:24,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:24,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:25,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:27,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:29,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:29,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 13:18:29,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:18:29,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 13:18:29,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:29,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:18:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:18:29,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-25 13:18:29,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:29,739 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:29,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:29,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:29,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:29,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:29,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:29,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 13:18:29,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:29,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:29,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:29,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:18:30,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:30,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:30,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:30,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:30,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:30,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:30,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:30,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:30,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:30,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:30,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:30,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:18:30,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:30,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:30,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:30,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:30,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:30,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:30,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:30,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:30,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 13:18:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:18:30,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:18:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:30,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:18:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:30,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:18:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:30,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:30,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:30,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:30,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:30,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:30,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:30,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:30,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:30,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 13:18:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:30,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:30,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:30,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 13:18:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:30,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:30,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:30,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:30,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:18:30,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:30,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:30,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:30,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:30,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:30,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:30,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 13:18:30,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899631589] [2020-09-25 13:18:30,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:30,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:18:30,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206085590] [2020-09-25 13:18:30,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:18:30,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:30,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:18:30,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:18:30,307 INFO L87 Difference]: Start difference. First operand 787 states and 911 transitions. Second operand 11 states. [2020-09-25 13:18:31,068 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:31,883 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:32,234 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:18:33,518 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:33,851 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:34,304 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:34,794 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:35,093 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:18:35,434 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:36,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:36,666 INFO L93 Difference]: Finished difference Result 1603 states and 1949 transitions. [2020-09-25 13:18:36,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 13:18:36,667 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-09-25 13:18:36,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:36,676 INFO L225 Difference]: With dead ends: 1603 [2020-09-25 13:18:36,677 INFO L226 Difference]: Without dead ends: 931 [2020-09-25 13:18:36,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2020-09-25 13:18:36,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-09-25 13:18:36,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 784. [2020-09-25 13:18:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2020-09-25 13:18:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 902 transitions. [2020-09-25 13:18:36,805 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 902 transitions. Word has length 179 [2020-09-25 13:18:36,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:36,806 INFO L479 AbstractCegarLoop]: Abstraction has 784 states and 902 transitions. [2020-09-25 13:18:36,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:18:36,807 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 902 transitions. [2020-09-25 13:18:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 13:18:36,811 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:36,812 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:36,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:18:36,812 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:36,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:36,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1165066921, now seen corresponding path program 1 times [2020-09-25 13:18:36,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:36,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590804795] [2020-09-25 13:18:36,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:36,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:37,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:37,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 13:18:37,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:37,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 821 [2020-09-25 13:18:37,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:37,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 13:18:37,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:37,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:37,999 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:38,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:38,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 13:18:38,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:38,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:38,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:38,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:38,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:38,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:38,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:38,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:38,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:38,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:38,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:38,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:38,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:18:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:38,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:38,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:38,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:38,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:18:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 13:18:38,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 13:18:38,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 13:18:38,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:38,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:38,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 13:18:38,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 13:18:38,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 13:18:38,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:38,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:18:38,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 13:18:38,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 13:18:38,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:18:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:18:38,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:38,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:18:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:38,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:38,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 13:18:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 13:18:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:38,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:38,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:38,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 13:18:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:38,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:38,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:38,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:38,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:38,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:38,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:38,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:38,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:38,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:38,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:38,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:38,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590804795] [2020-09-25 13:18:38,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:38,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:18:38,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286638833] [2020-09-25 13:18:38,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:18:38,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:38,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:18:38,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:18:38,578 INFO L87 Difference]: Start difference. First operand 784 states and 902 transitions. Second operand 10 states. [2020-09-25 13:18:40,115 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:40,436 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:40,752 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:18:41,077 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:41,382 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 13:18:41,684 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:18:42,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:42,686 INFO L93 Difference]: Finished difference Result 1601 states and 1923 transitions. [2020-09-25 13:18:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 13:18:42,687 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-09-25 13:18:42,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:42,694 INFO L225 Difference]: With dead ends: 1601 [2020-09-25 13:18:42,694 INFO L226 Difference]: Without dead ends: 932 [2020-09-25 13:18:42,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 13:18:42,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-09-25 13:18:42,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 800. [2020-09-25 13:18:42,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2020-09-25 13:18:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 918 transitions. [2020-09-25 13:18:42,803 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 918 transitions. Word has length 208 [2020-09-25 13:18:42,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:42,804 INFO L479 AbstractCegarLoop]: Abstraction has 800 states and 918 transitions. [2020-09-25 13:18:42,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 13:18:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 918 transitions. [2020-09-25 13:18:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 13:18:42,809 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:42,809 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:42,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:18:42,810 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:42,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:42,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1290271305, now seen corresponding path program 1 times [2020-09-25 13:18:42,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:42,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598795225] [2020-09-25 13:18:42,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:42,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 13:18:43,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 746 [2020-09-25 13:18:43,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:43,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 13:18:43,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:43,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,992 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:43,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:44,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 13:18:44,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:44,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:44,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:44,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:44,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:44,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:44,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:44,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:44,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:44,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:44,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:44,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:18:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:44,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:44,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:44,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:18:44,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:44,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:18:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 13:18:44,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 13:18:44,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:18:44,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:44,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:18:44,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 13:18:44,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 13:18:44,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:44,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 13:18:44,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:44,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:18:44,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 13:18:44,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 13:18:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:44,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:18:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:18:44,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:18:44,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:18:44,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:44,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:44,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:18:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:44,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:44,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 13:18:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 13:18:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:44,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:44,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 13:18:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:44,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:44,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:44,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:44,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:44,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:44,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:44,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:44,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:44,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:44,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:44,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598795225] [2020-09-25 13:18:44,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:44,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 13:18:44,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610946004] [2020-09-25 13:18:44,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 13:18:44,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:44,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 13:18:44,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 13:18:44,658 INFO L87 Difference]: Start difference. First operand 800 states and 918 transitions. Second operand 9 states. [2020-09-25 13:18:45,980 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:46,232 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:46,554 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:46,885 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:47,207 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:48,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:48,399 INFO L93 Difference]: Finished difference Result 1639 states and 1990 transitions. [2020-09-25 13:18:48,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:18:48,400 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2020-09-25 13:18:48,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:48,407 INFO L225 Difference]: With dead ends: 1639 [2020-09-25 13:18:48,407 INFO L226 Difference]: Without dead ends: 954 [2020-09-25 13:18:48,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 13:18:48,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2020-09-25 13:18:48,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 812. [2020-09-25 13:18:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-09-25 13:18:48,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 930 transitions. [2020-09-25 13:18:48,510 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 930 transitions. Word has length 208 [2020-09-25 13:18:48,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:48,511 INFO L479 AbstractCegarLoop]: Abstraction has 812 states and 930 transitions. [2020-09-25 13:18:48,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 13:18:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 930 transitions. [2020-09-25 13:18:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 13:18:48,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:48,515 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:48,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 13:18:48,515 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:48,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:48,516 INFO L82 PathProgramCache]: Analyzing trace with hash -599777164, now seen corresponding path program 1 times [2020-09-25 13:18:48,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:48,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722117800] [2020-09-25 13:18:48,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:48,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 13:18:49,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1273 [2020-09-25 13:18:49,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 13:18:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:18:49,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 13:18:49,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:50,173 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:50,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-09-25 13:18:50,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:18:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:50,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:50,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:50,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:50,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:50,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:50,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:50,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:18:50,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:50,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:18:50,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:50,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:50,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:50,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 33 [2020-09-25 13:18:50,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:50,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:50,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:50,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:18:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:50,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:50,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:50,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:50,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:50,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:50,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:50,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:18:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 13:18:50,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 13:18:50,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 13:18:50,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 13:18:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 13:18:50,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 13:18:50,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:18:50,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:18:50,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:18:50,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:50,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:18:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:18:50,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:50,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 13:18:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:18:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:50,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:50,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 13:18:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:50,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:50,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:50,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 13:18:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:50,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:50,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:50,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:50,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:50,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:50,771 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722117800] [2020-09-25 13:18:50,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:50,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:18:50,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138364280] [2020-09-25 13:18:50,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:18:50,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:50,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:18:50,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:18:50,774 INFO L87 Difference]: Start difference. First operand 812 states and 930 transitions. Second operand 7 states.